Chrysanthemum

ABSTRACT

A new variety of chrysanthemum plant originating as a sport of Horim (unpatented) characterized by its satiny pure white blooms, vigorous growth, 12 week response, permanence and distinguished from the parent cultivar, Horim, by larger and purer white blooms.

BACKGROUND OF THE NEW PLANT

The present invention comprises a new and distinct cultivar ofchrysanthemum plant which is a sport of the unpatented off-whitechrysanthemum known as Horim. The new cultivar was discovered byNicolaas Middelburg on Mar. 23, 1975, at 's Gravenzande, in theNetherlands and has been asexually reproduced by cuttings at the samelocation. The new cultivar has been found to retain its distinctivecharacteristics through successive propagations.

DESCRIPTION OF THE DRAWING

The accompanying drawing shows the unique characteristics of the newcultivar, the color being as nearly true as possible with colorillustrations of this type. The photo shows the new cultivar in variousstages of bloom.

DESCRIPTION OF THE NEW PLANT

The new cultivar is a short day response plant and, when grown in thevicinity of 's Gravenzande, Holland, has a response time of about 12weeks. The new cultivar may be grown year round under greenhouseconditions.

In the description which follows, color references are made to the"Horticultural Colour Chart II" issued by the British Colour Council incollaboration with the Royal Horticultural Society. The following datais based on observations of the new cultivar at 's Gravenzande, Holland.Where meaningful, comparisons are made between the new cultivar, WhiteHorim, and the parent cultivar, Horim.

Botanical classification: Chrysanthemum mortifolium.

    __________________________________________________________________________                    White Horim     Horim                                         __________________________________________________________________________    Bloom:                                                                        Size            medium          medium-small                                  Fully expanded  7-8 centimeters 6-7 centimeters                               Borne           several together                                                                              several together                              Stems           medium, strong  medium, strong                                Form            single (daisy)  single (daisy)                                Permanence      excellent, 4 weeks                                                                            excellent, 4 weeks                            Color:                                                                        Center of flower                                                                              Cyprus Green 59/1                                                                             Cyprus Green 59/1                             Base of petals  Agatha Green 60 Agatha Green 60                               Inside of petals                                                                              white           white                                         Reverse of petals                                                                             white           Pastel Mauve 433/3                            Tonality from a distance                                                                      white           mauve                                         Discoloration   none            to white, 1-2 weeks                                                           after cutting                                 __________________________________________________________________________

Plant:

Form.--Herbaceous.

Growth.--Vigorous.

Height.--Medium, depends on culture.

Foliage:

Top side.--Scheeles Green 60.

Size.--Medium.

Quantity.--Normal.

Shape.--Pointed oval.

Texture.--Velvety.

Ribs and veins.--Ordinary.

Edge.--Serrated.

Serration.--Single, large.

Underside.--Scheeles Green 60/2.

I claim:
 1. A new and distinct cultivar of chrysanthemum, substantiallyas described and pictured herein, characterized by its satiny pure whiteblooms, vigorous growth, 12 week response and permanence, and by havinglarger bloom and a purer white color than the parent cultivar, Horim.